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    SOLVED 3.01-RC9 Thermo Fan on Full

    Beta Firmware
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    • tekkydave
      tekkydave last edited by tekkydave

      Just upgraded from 3.01 RC6 to RC10 and notice my enclosure fans were on full belt.
      I tried RC7 to RC9 to see where this appears and it happens with RC9.

      I'm using the mcu-temp and drivers values to drive my enclosure fans on duex fan4 pins.
      Works OK on RC6,7,8 : I get a gradual increase in speed from 40% when mcu temp exceeds 26C

      On RC9,10 as soon as it goes over 26C (which it is on startup) the fans are on 100%

      Relevant config (full config.g attached below)
      M308 S2 Y"mcu-temp"
      M308 S3 Y"drivers"
      M950 F4 C"duex.fan4" Q500
      M106 P4 S1.0 H2:3 T26:65 L0.4 C"Enclosure Fans"

      Board: Duet 2 WiFi (2WiFi) plus Duex2
      Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 3.01-RC9 (2020-04-21b1)
      Duet WiFi Server Version: 1.23
      DWC 2.1.5 (I'm on this release as I already upgraded to RRF 3.01RC10 first)

      config.g

      Everything else seems to be ok although I haven't tried a print yet 🙂

      Edit: My hotend fan is working fine and comes on at 50C as specified.

      ~ tekkydave ~
      D-Bot: 300x300mm | Duet WiFi + Duex2 | 3 independent z motors | X,Y & Z linear rails | E3D Titan Aero + V6 | Precision Piezo z-probe
      FreeCAD, PrusaSlicer

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      • dc42
        dc42 administrators last edited by

        What are the readings from sensors 2 and 3 at present? To find out either name them and then show them in DWC under Extras, or send M380 S2 and M308 S3.

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

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        • tekkydave
          tekkydave last edited by

          Cut & pasted from DWC console:

          27/04/2020, 14:40:30 M308 S2
          Sensor 2 type Microcontroller embedded temperature sensor, reading 27.6, last error: success

          27/04/2020, 14:41:06 M308 S3
          Sensor 3 type Stepper driver temperature warnings, reading 0.0, last error: success

          I'm in the middle of a print at the moment so can't make any config changes.

          ~ tekkydave ~
          D-Bot: 300x300mm | Duet WiFi + Duex2 | 3 independent z motors | X,Y & Z linear rails | E3D Titan Aero + V6 | Precision Piezo z-probe
          FreeCAD, PrusaSlicer

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          • dc42
            dc42 administrators last edited by

            Thanks, I confirm this as a bug. Will be fixed in next RC.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

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            • tekkydave
              tekkydave last edited by

              OK, Thanks. I can live with a bit of fan noise for now 🙂

              ~ tekkydave ~
              D-Bot: 300x300mm | Duet WiFi + Duex2 | 3 independent z motors | X,Y & Z linear rails | E3D Titan Aero + V6 | Precision Piezo z-probe
              FreeCAD, PrusaSlicer

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              • Garfield
                Garfield last edited by

                Now running RC10. This issue still present.

                gcode definition

                ; MCU
                M308 S2 Y"mcu-temp" A"CPU"
                M950 F2 C"!out4" A"MCU" Q25000 L.02  
                M106 P2 T40:54 H2      ; set Duet cooling fan
                

                Fan comes on @ 100% at just over 40 and doesn't go back off until 39, no ramp whatsoever

                tekkydave 1 Reply Last reply Reply Quote 0
                • tekkydave
                  tekkydave @Garfield last edited by

                  @Garfield I think I mentioned the issue was present in RC9 & 10. I singled out RC9 as that was when it first appeared 🙂

                  ~ tekkydave ~
                  D-Bot: 300x300mm | Duet WiFi + Duex2 | 3 independent z motors | X,Y & Z linear rails | E3D Titan Aero + V6 | Precision Piezo z-probe
                  FreeCAD, PrusaSlicer

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                  • Garfield
                    Garfield last edited by

                    Must slow down and read - only saw the RC9 bit - tagged on because I saw your post and had issue, @DC42 indicated it was known and fixed in the next RC - but wasn't sure if he meant RC10 - I need to take a break from the printer this week I think .....

                    dc42 1 Reply Last reply Reply Quote 0
                    • jay_s_uk
                      jay_s_uk last edited by

                      Its part of this commit https://github.com/dc42/RepRapFirmware/commit/5dda6c9d5aaa24ea94f9246db73e702580e5d0dc which will beomcing in the next RC/Stable release

                      0 dc42 committed to dc42/RepRapFirmware
                      Bug fixes, and restore correct heigt after a tool change
                      
                      Thermostatically-controlled fans were no longer forced to run at >=50%
                      PWM when on
                      Proportional control of thermostatic fans no longer worked
                      When restoring position after a pause or after skipping a build object,
                      the inverse bed compensation applied when recomputing the user position
                      did not take account of the tool offset
                      After a tool change, if on a FDM printer then we now move the new tool
                      to the correct Z height before resuming the print

                      Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF

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                      • dc42
                        dc42 administrators @Garfield last edited by

                        @Garfield said in 3.01-RC9 Thermo Fan on Full:

                        Must slow down and read - only saw the RC9 bit - tagged on because I saw your post and had issue, @DC42 indicated it was known and fixed in the next RC - but wasn't sure if he meant RC10 - I need to take a break from the printer this week I think .....

                        I meant RC11. You can find preview RRF binaries (not fully tested) at https://www.dropbox.com/sh/3azy1njy3ayjsbp/AACquxr2m00eV568RZg5QG5wa?dl=0.

                        Duet WiFi hardware designer and firmware engineer
                        Please do not ask me for Duet support via PM or email, use the forum
                        http://www.escher3d.com, https://miscsolutions.wordpress.com

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                        • Garfield
                          Garfield last edited by

                          Not your fault here Dave - all mine .. speed read and responded too quickly ... just figuring that my backup process's are somewhat lacking after the RC10 crashes and re-applying updated configuration which is how I spotted this.

                          I'll try to do better.

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                          • Schmart
                            Schmart last edited by

                            @dc42 I can confirm that the internal build / preview binary no longer spins my case fan at 100% 👍

                            Creality CR-20 Pro with a Duet 2 Maestro, 3Dfused X+Z-axis rail kit, HIWIN-based DIY solution for the Y-axis, E3D Hemera, working ST7565 MiniPanel and various other small hardware improvements.

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                            • dc42
                              dc42 administrators last edited by

                              Thanks for confirming this is fixed.

                              Duet WiFi hardware designer and firmware engineer
                              Please do not ask me for Duet support via PM or email, use the forum
                              http://www.escher3d.com, https://miscsolutions.wordpress.com

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                              • tekkydave
                                tekkydave last edited by

                                Just upgraded to 3.01RC11 and the bug is fixed.
                                Many Thanks 🙂

                                ~ tekkydave ~
                                D-Bot: 300x300mm | Duet WiFi + Duex2 | 3 independent z motors | X,Y & Z linear rails | E3D Titan Aero + V6 | Precision Piezo z-probe
                                FreeCAD, PrusaSlicer

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